| About |
|---|
| Styrolux® 656C is a clear styrene-butadiene copolymer (SBC) with enhanced flow properties. It is used almost exclusively for injection molding of rigid, tough parts requiring highest levels of clarity and surface gloss. Styrolux® 656C is sterilizable by gamma-rays and offers good hinge properties. FEATURES Tough and stiff grade Enhanced flowability High clarity Regulatory compliant APPLICATIONS Moulded containers and bottles Toys Displays Appliance housings Medical devices&& |
| Product Description | |
|---|---|
| Supplier | INEOS |
| Generic | SBC |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good Clarity,Good flexibility,Good surface appearance,Good liquidity,Block Copolymer,Radiation disinfection |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.02 | g/cm³ | ASTM D792 |
| Density | 1.02 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 15 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 200℃，5 kg | 16.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | 0.30 to 1.0 | % | ISO 294-4 |
| MD | 0.65 | % | ASTM D955 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.070 | % | ASTM D570 |
| Saturation, 23 ℃ | 0.070 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 72 | ASTM D2240 | |
| Shaw’s D | 72 | ISO 868 | |
| Tensile modulus | 1680 | MPa | ASTM D638 |
| Tensile modulus | 1800 | MPa | ISO 527-2 |
| tensile strength | |||
| Yield, 23 ℃ | 35.0 | MPa | ISO 527-2 |
| Yield, 23 ℃ | 28.0 | MPa | ASTM D638 |
| Nominal tensile fracture strain | |||
| 23℃ | 20 | % | ISO 527-2 |
| Tensile Creep Modulus（1 hr） | 1550 | MPa | ISO 899-1 |
| Tensile creep modulus | |||
| 1000 hr | 1050 | MPa | ISO 899-1 |
| Bending modulus | 1500 | MPa | ASTM D790 |
| Bending modulus | 1900 | MPa | ISO 178 |
| bending strength | 33.0 | MPa | ASTM D790 |
| bending strength | |||
| 5% strain | 48.0 | MPa | |
| — | 48.0 | MPa | ISO 178 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile strain | |||
| fracture | 40 | % | ASTM D638 |
| Yield, 23 ℃ | 2.4 | % | ISO 527-2 |
| MD, fracture | 20 | % | ISO 527-3 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 2.0 | kJ/m² | ISO 179 |
| Charpy Unnotch Impact strength | |||
| 23℃ | 25 | kJ/m² | ISO 179 |
| Impact strength of cantilever beam notch | ISO 180/A | ||
| -30℃ | 2.0 | kJ/m² | ISO 180-A |
| 23℃ | 3.0 | kJ/m² | ISO 180-A |
| Dart impact equipped with measuring instruments | ASTM D3763 | ||
| Peak force | 0.602 | J | ASTM D3763 |
| Total energy | 0.602 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 67.0 | ℃ | ISO 75-2/A |
| 1.8 MPa, unannealed | 66.7 | ℃ | ASTM D648 |
| 0.45 MPa, annealed | 77.0 | ℃ | ISO 75-2/B |
| 0.45 MPa, unannealed | 80.6 | ℃ | ASTM D648 |
| Vicat Softening Temp | 90.0 | ℃ | ASTM D1525 3 |
| Vicat Softening Temp | |||
| A50 | 85.0 | ℃ | ISO 306/A50 |
| B50 | 63.0 | ℃ | ISO 306 |
| Linear coefficient of thermal expansion | |||
| MD | 6.0E-5 to 9.0E-5 | 1/℃ | ISO 11359-2 |
| MD | 1.3E-4 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+14 | ohms | ASTM D257 |
| Surface resistivity | 1.0E+15 | ohms | IEC 60093 |
| Volume resistivity | > 1.0E+15 | ohms·cm | ASTM D257 |
| Volume resistivity | > 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric constant | |||
| 100 Hz | 2.50 | IEC 60250 | |
| 1.00 mm，1 MHz | 2.50 | ASTM D150 | |
| Dissipation factor | IEC 60250 | ||
| 100 Hz | 3.0E-4 | IEC 60250 | |
| 1 MHz | 8.0E-4 | IEC 60250 | |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.579 | ASTM D542 | |
| Refractive index | 1.579 | ISO 489 | |
| Transmittance | |||
| 550 nm | 90.0 | % | ASTM D1003 |
| Haze | 1.5 | % | ASTM D1003 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Processing (melt) temperature | 180 to 250 | °C | |
| Mold temperature | 30 to 50 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 4h/80°C |
| 3. Rate B (120°C/h), Loading 1 (10 N) |
| 4. Sodium D Line |
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